<template>
    <div>
  
      <div class="card" style="margin-bottom: 5px;">
        <el-input v-model="data.name" style="width: 300px; margin-right: 10px" placeholder="请输入名称查询"></el-input>
        <el-button type="primary" @click="load">查询</el-button>
        <el-button type="info" style="margin: 0 10px" @click="reset">重置</el-button>
      </div>
  
      <div class="card" style="margin-bottom: 5px">
        <el-table :data="data.tableData" stripe>
          <el-table-column label="用户名" prop="username"></el-table-column>
          <el-table-column label="名称" prop="name"></el-table-column>
          <el-table-column label="地区" prop="address"></el-table-column>
          <el-table-column label="头像">
            <template #default="scope">
              <el-image :src="scope.row.avatar" style="width: 40px; height: 40px; border-radius: 50%"></el-image>
            </template>
          </el-table-column>
          <el-table-column label="角色" prop="role">
            <template #default="scope">
              <span v-if="scope.row.role === 'USER'">用户</span>
            </template>
          </el-table-column>
          <el-table-column label="操作" align="center" width="160">
            <template #default="scope">
              <el-button type="primary" @click="handleEdit(scope.row)">编辑</el-button>
              <el-button type="danger" @click="handleDelete(scope.row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </div>
  
      <div class="card">
        <el-pagination background layout="prev, pager, next" v-model:page-size="data.pageSize" v-model:current-page="data.pageNum" :total="data.total" @current-change="pageChange"/>
      </div>
  
      <el-dialog title="信息" width="40%" v-model="data.formVisible" :close-on-click-modal="false" destroy-on-close>
        <el-form :model="data.form" label-width="100px" style="padding-right: 50px">
          <el-form-item label="头像" prop="avatar">
            <el-upload :action="uploadUrl" list-type="picture" :on-success="handleImgSuccess">
              <el-button type="primary">上传图片</el-button>
            </el-upload>
          </el-form-item>
          <el-form-item label="账号" prop="username">
            <el-input v-model="data.form.username" autocomplete="off" />
          </el-form-item>
          <el-form-item label="名称" prop="name">
            <el-input v-model="data.form.name" autocomplete="off" />
          </el-form-item>
        </el-form>
        <template #footer>
        <span class="dialog-footer">
          <el-button @click="data.formVisible = false">取 消</el-button>
          <el-button type="primary" @click="save">保 存</el-button>
        </span>
        </template>
      </el-dialog>
  
    </div>
  </template>
  
  <script setup>
  import request from "@/utils/request";
  import {reactive} from "vue";
  import {ElMessageBox, ElMessage} from "element-plus";
  
  // 文件上传的接口地址
  const uploadUrl = import.meta.env.VITE_BASE_URL + '/files/upload'
  
  const data = reactive({
    pageNum: 1,
    pageSize: 10,
    total: 0,
    formVisible: false,
    form: {},
    tableData: [],
    name: null
  })
  
  // 分页查询
  const load = () => {
    request.get('/user/selectUserPage', {
      params: {
        pageNum: data.pageNum,
        pageSize: data.pageSize,
        name: data.name
      }
    }).then(res => {
      data.tableData = res.data?.list
      data.total = res.data?.total
      console.log(data.tableData)
    })
  }

  const pageChange=(newPage)=>{
    data.pageNum=newPage;
    load();
  }
  
  // 新增
  const handleAdd = () => {
    data.form = {}
    data.formVisible = true
  }
  
  // 编辑
  const handleEdit = (row) => {
    data.form = JSON.parse(JSON.stringify(row))
    data.formVisible = true
  }
  
  // 新增保存
  const add = () => {
    request.post('/user/add', data.form).then(res => {
      if (res.code === '200') {
        load()
        ElMessage.success('操作成功')
        data.formVisible = false
      } else {
        ElMessage.error(res.msg)
      }
    })
  }
  
  // 编辑保存
  const update = () => {
    request.put('/user/update/', data.form).then(res => {
      if (res.code === '200') {
        load()
        ElMessage.success('操作成功')
        data.formVisible = false
      } else {
        ElMessage.error(res.msg)
      }
    })
  }
  
  // 弹窗保存
  const save = () => {
    // data.form有id就是更新，没有就是新增
    data.form.id ? update() : add()
  }
  
  // 删除
  const handleDelete = (id) => {
    ElMessageBox.confirm('删除后数据无法恢复，您确定删除吗?', '删除确认', { type: 'warning' }).then(res => {
      request.delete('/user/delete/' + id).then(res => {
        if (res.code === '200') {
          load()
          ElMessage.success('操作成功')
        } else {
          ElMessage.error(res.msg)
        }
      })
    }).catch(err => {})
  }
  
  // 重置
  const reset = () => {
    data.name = null
    load()
  }
  
  // 处理文件上传的钩子
  const handleImgSuccess = (res) => {
    data.form.avatar = res.data  // res.data就是文件上传返回的文件路径，获取到路径后赋值表单的属性
  }
  
  load()
  </script>